Abstract:As China"s national strength and the process of economic globalization, brand economy of our country has come, the brand gradually becomes the core of enterprise resources, is one of the important means of enterprise competition. Technological innovation is one of the ways to enhance the brand value, but the resources are limited, can not simultaneously increase the variety of inputs and improve production technology development of brand equity, in order to study the various elements of science and technology input and output of science and technology of various different effects on brand equity, taking 5 consecutive years to enter the 86 Chinese enterprise 500 companies in the sample, respectively, with technological innovation input and output dimensions and brand value to do multiple regression, the results show that the two dimensions of input and output have positive effects on brand value, including R D funds, stock investment in the stock of R D personnel and research and development funding intensity has a significant positive effect on brand value, but the effect of R D personnel the investment intensity is not significant; three kinds of patent outputs are also positively affect the brand value, and patents with high quality have greater impact.